Sony FVS-1000 System Maintenance Manual page 187

4. GR3 (GR8) guide roller height
adjustment
Adjust the GR3 (GR8) guide roller height in the
following steps.
(1) Clean the reference base assembly and 35GR
height gauge.
(2) Install the reference base assembly to the FTP
panel F fixing supports, and tighten it using
L-shaped hexagonal wrench (across flat: 3
mm, for M3).
(Refer to step 8 of Section 4-4.)
(3) Put the 35GR height gauge on the reference
base assembly, and check the height of the
GR3 guide roller in the direction shown in
the figure while pressing the height gauge
gently against the reference base assembly.
n
Be very careful not to make damage to the
sprocket or the roller with the gauge at the
time of the height check.
Specifications:
Contact the lower surface of the 35GR height
gauge with the film support portion on the
lower flange of the guide roller.
If not to meet the specification, perform step
(4) and later.
(4) Loosen the setscrew of the bearing retainer at
the upper portion of the guide roller, and
rotate the bearing retainer to meet the specifi-
cation.
(5) After tightening the setscrew, recheck the
height to meet the specification.
(6) Remove the gauge.
5. GR4, GR5 and GR7 guide rollers
height adjustment
Adjust the GR4, GR5 and GR7 guide roller
heights in the following steps.
(1) Remove the gate base assembly.
(Refer to Section 3-2-1.)
(2) Clean the 35GR reference base assembly and
35GR height gauge.
(3) Install the 35GR reference base assembly as
shown in the figure.
FVS-1000 MMP1
Reference base assembly
35GR Height gauge
GR3
Set screw
Contact the lower surface of the
gauge with the film support
portion on the lower flange
35GR reference base assembly
4-7. Replacing the Guide Roller Assembly
Bearing retainer
4-21